American Dictionary

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Definition gas in American English

gas noun

noun
/ɡæs/

Differences between American and British English: gas

In the U.S., gas often refers to a type of liquid fuel that is used to produce power in cars: We’d better get gas on our way out of town.. The usual British word for this is petrol. Gas can also refer to a substance like air that is burned to cook food or to heat your house, and it can be used with this meaning in both the U.S. and the U.K.: a gas furnace.

1

liquid fuel that is used for producing power in the engines of cars. The British word is petrol

Example

We need to get some gas before we leave town.

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2

a substance such as air that is neither a solid nor a liquid

Example

regulations to cut the emissions of gases such as carbon dioxide

Example

They detected high levels of radon gas in the building.

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2.1

a gas burned as fuel, for example to heat your house or cook food

Example

a gas stove/heater/boiler

Example

She couldn't pay her gas bill.

Example

Can you smell gas?

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2.2

a gas used for harming or killing people, or for affecting their behavior

Example

Police used gas to disperse the crowd.

Example

A nerve gas attack left hundreds injured.

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2.3

a gas produced inside your body by your stomach. The usual British word is wind. If you pass gas, air comes out of your bottom.

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2.4

a gas given to people before an operation to make them sleep, or during medical treatment so that they will feel less pain

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Definition gas in American English